Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.1609l&link_type=abstract
American Astronomical Society, SPD meeting #42, #16.09; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The 60-foot solar tower at Mount Wilson Observatory took high resolution dopplergrams at a cadence of one minute between the summers of 1988 and 2006. Because this instrument overlaps with GONG and MDI, it provides a unique opportunity to extend the inferences of those two projects backwards in time to solar cycle 22. Furthermore, access to the MWO data has been facilitated by its ingestion at the Joint Science Operations Center (JSOC) at Stanford. For this initial study we choose for our analysis a single summer in which MDI was also operating. By running the MWO data through the same processing pipeline and comparing with the results from MDI, we are able to determine how accurately the two datasets can be combined. In future we will be able to use the MWO data to compare the torsional oscillation during solar cycles 22 and 23.
Irish Sandra
Larson Timothy P.
Rhodes Elmer J.
Schou Jepser
Spinella A.
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